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Mountain Sink Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Clear | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Clear |
| Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C |
| POP: 50% | POP: 40% | POP: 20% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 AM CDT Mon Sep 21 2026 
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Issued: 634 AM EDT Mon Sep 21 2026
Key Messages
Issued at 632 AM EDT Mon Sep 21 2026- Unseasonably warm temperatures will continue through the next couple days. Highs will be in the low 90s with peak heat indices up to the low 100s.
- Rain chances continue through Wednesday. Afternoon and evening thunderstorms will be capable of strong-gusty winds, frequent lightning, and small hail. An isolated severe gust or two are also possible.
- Notably cooler and drier weather more akin to early Autumn arrives later this week following frontal p...